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Composite Data Products by Topic

The public technical analysis results from the Hydrogen Fuel Cell Electric Vehicle Learning Demonstration are generated in the form of composite data products (CDPs). The following CDPs, which are organized by topic, are offered in both PowerPoint and JPEG formats. The CDPs are also organized by date and number.

If these technical results are reproduced in your own documents or presentations, please provide appropriate reference to the U.S. Department of Energy's National Renewable Energy Laboratory.

Fuel Cell Stack Durability

  • Fuel Cell Stack Hours Accumulated and Projected Hours to 10% Stack Voltage Degradation, CDP #1, 3/23/10: PowerPoint | JPG
  • Primary Factors Affecting Learning Demo Fleet Fuel Cell Degradation, CDP #48, 2/21/08: PowerPoint | JPG
  • Primary Factors Affecting Learning Demo Team Fuel Cell Degradation, CDP #49, 3/9/10: PowerPoint | JPG
  • Fuel Cell Stack Operation Hours, CDP #67, 3/23/10: PowerPoint | JPG
  • Power Drop During Fuel Cell Stack Operation Period, CDP #68, 3/23/10: PowerPoint | JPG
  • Max Fuel Cell Power Degradation—Gen 1, CDP #69, 3/23/10: PowerPoint | JPG
  • Max Fuel Cell Power Degradation—Gen 2, CDP #70, 3/23/10: PowerPoint | JPG
  • Projected Hours to OEM Low Power Operation Limit, CDP #71, 3/23/10: PowerPoint | JPG
  • Fuel Cell Stack Projected Hours as a Function of Voltage Drop, CDP #73, 3/23/10: PowerPoint | JPG
  • Fuel Cell Stack Operation Hours—2010plus, CDP #86, 12/15/11: PowerPoint | JPG
  • Fuel Cell Stacks Projected Hours to 10% Voltage Degradation with Two Fits, CDP #87, 1/10/12: PowerPoint | JPG
  • Comparison of Fuel Cell Operation Hours and Projected Hours to 10% Voltage Degradation, CDP #88, 1/10/12: PowerPoint | JPG
  • Fuel Cell Stack Durability as a Function of Voltage Drop, CDP #89, 12/15/11: PowerPoint | JPG
  • Max Fuel Cell Stack Power Degradation Over Operation—2010plus, CDP #90, 1/10/12: PowerPoint | JPG

Fuel Cell Vehicle Range and Driving Behavior

  • Fuel Cell Vehicle Range, CDP #2, 3/10/10: PowerPoint | JPG
  • Fuel Cell Stack Trips Per Hour Histogram, CDP #16, 3/9/10: PowerPoint | JPG
  • Statistics of Trips/Hour vs. Operating Hour, CDP #17, 3/9/10: PowerPoint | JPG
  • Time Between Trips & Ambient Temperature, CDP #19, 3/9/10: PowerPoint | JPG
  • Percentage of Theoretical Driving Range Between Refuelings, CDP #33, 3/23/10: PowerPoint | JPG
  • Effective Fuel Cell Vehicle Range, CDP #34, 3/10/10: PowerPoint | JPG
  • Driving Start Time—Day, CDP #44, 12/6/11: PowerPoint | JPG
  • Driving by Day of Week, CDP #45, 12/6/11: PowerPoint | JPG
  • Trip Length, CDP #47, 3/9/10: PowerPoint | JPG
  • Driving Start Time—Night, CDP #51, 3/9/10: PowerPoint | JPG
  • Time Between Trips, CDP #54, 3/9/10: PowerPoint | JPG
  • Fuel Cell System Energy, CDP #55, 3/9/10: PowerPoint | JPG
  • Daily Driving Distance, CDP #56, 3/9/10: PowerPoint | JPG
  • Percent Idle in Trip with Comparison to Standard Drive Cycles, CDP #65, 3/9/10: PowerPoint | JPG
  • Fuel Cell Vehicle Speed with Comparison to Standard Drive Cycles, CDP #66, 3/9/10: PowerPoint | JPG
  • Miles Between Refuelings, CDP #80, 12/13/11: PowerPoint 72 | JPG 158
  • Average Trip Speed, CDP #81, 12/6/11: PowerPoint | JPG
  • Daily FC Operation Hours in Automotive Application, CDP #82, 12/15/11: PowerPoint | JPG

Fuel Cell Vehicle Fuel Economy, Greenhouse Gas, and Stack Efficiency

  • Fuel Cell Vehicle Fuel Economy, CDP #6, 3/10/10: PowerPoint | JPG
  • Fuel Cell System Efficiency, CDP #8, 9/2/09: PowerPoint | JPG
  • Fuel Cell System Operating Powers, CDP #46, 3/9/10: PowerPoint | JPG
  • Fuel Cell System Energy within Power Levels, CDP #53, 3/11/10: PowerPoint | JPG
  • Learning Demonstration Vehicle Green House Gas Emissions, CDP #62, 3/8/10: PowerPoint | JPG
  • Effect of Average Trip Speed on Fuel Economy, CDP #84, 12/6/11: PowerPoint | JPG
  • Effect of Average Trip Length on Fuel Economy, CDP #85, 12/6/11: PowerPoint | JPG

Fuel Cell Vehicle and Hydrogen Infrastructure Safety

  • Fuel Cell Vehicle Safety Reports, CDP #9, 12/6/11: PowerPoint | JPG
  • Infrastructure Safety Reports, CDP #20, 3/11/10: PowerPoint | JPG
  • Average Refuelings Between Infrastructure Safety Reports, CDP #35, 3/23/10: PowerPoint | JPG
  • Type of Infrastructure Safety Report by Quarter, CDP #36, 12/15/11: PowerPoint | JPG
  • Primary Factors of Infrastructure Safety Reports, CDP #37, 3/11/10: PowerPoint | JPG

Fuel Cell System Metrics

  • Fuel Cell System Power Density, Including Hydrogen Storage, CDP #3, 9/8/09: PowerPoint | JPG
  • Fuel Cell System Specific Power, Including Hydrogen Storage, CDP #4, 8/28/09: PowerPoint | JPG
  • Fuel Cell Start Times from Sub-Freezing Soak Conditions, CDP #5, 9/8/09: PowerPoint | JPG
  • Fuel Cell System Power Density, CDP #58, 9/17/08: PowerPoint | JPG
  • Fuel Cell System Specific Power, CDP #59, 9/17/08: PowerPoint | JPG

Fuel Cell System Performance

  • Fuel Cell Voltage, CDP #7, 3/9/10: PowerPoint | JPG
  • Fuel Cell Transient Cycle Count per Mile and per Minute , CDP #74, 3/22/10: PowerPoint | JPG
  • Fuel Cell Transient Voltage and Time Change, CDP #75, 3/22/10: PowerPoint | JPG
  • Fuel Cell Transient Rate by Cycle Category, CDP #76, 3/22/10: PowerPoint | JPG
  • Fuel Cell Transient Voltage Changes by Cycle Category, CDP #77, 3/22/10: PowerPoint | JPG
  • Fuel Cell Transient Cycles Outside of Specified Voltage Levels, CDP #78, 3/22/10: PowerPoint | JPG
  • Percentage of Trip Time at Steady State, CDP #79, 3/22/10: PowerPoint | JPG

Fuel Cell Vehicle On-Board Hydrogen Storage Status

  • Hydrogen Storage Weight % Hydrogen, CDP #10, 8/19/08: PowerPoint | JPG
  • Hydrogen Storage Volumetric Capacity, CDP #11, 8/19/08: PowerPoint | JPG
  • Vehicle Hydrogen Tank Cycle Life, CDP #12, 9/17/08: PowerPoint | JPG
  • Number of Vehicles Using Each Hydrogen Storage Technology, CDP #25, 12/13/11: PowerPoint | JPG
  • H2 Storage System Mass and Volume Breakdown, CDP #57, 8/19/08: PowerPoint | JPG

Fuel Cell Vehicle Usage and Maintenance

  • Range of Ambient Temperature During Vehicle Operation, CDP #21, 3/9/10: PowerPoint | JPG
  • Vehicle Operating Hours Histogram, CDP #22, 12/13/11: PowerPoint | JPG
  • Vehicle Miles Traveled Histogram, CDP #23, 12/13/11: PowerPoint | JPG
  • Cumulative Vehicle Miles Traveled, CDP #24, 12/13/11: PowerPoint | JPG
  • Fuel Cell Vehicle Maintenance by System, CDP #64, 3/10/10: PowerPoint | JPG

Refueling Performance and Behavior

  • Fueling Rates—350 and 700 bar, CDP #14, 1/10/12: PowerPoint | JPG
  • Hydrogen Fuel Cell Vehicle Refueling Rate Histogram, CDP #18, 12/7/11: PowerPoint | JPG
  • Fueling Rates—Communication and Non-Communication Fills, CDP #29, 1/10/12: PowerPoint | JPG
  • Refueling Times, CDP #38, 12/7/11: PowerPoint | JPG
  • Refueling Amounts, CDP #39, 12/7/11: PowerPoint | JPG
  • H2 Tank Level at Refueling, CDP #40, 12/13/11: PowerPoint | JPG
  • Refueling Tank Levels—Medians, CDP #41, 3/9/10: PowerPoint | JPG
  • Refueling by Time of Day, CDP #42, 12/13/11: PowerPoint | JPG
  • Refueling by Day of Week, CDP #43, 12/13/11: PowerPoint | JPG
  • Refueling by Time of Night, CDP #50, 3/9/10: PowerPoint | JPG
  • Refueling Data by Year, CDP #52, 1/10/12: PowerPoint | JPG
  • Difference Between Tank and Ambient Temperature Prior to Refueling, CDP #72, 3/11/10: PowerPoint | JPG
  • Hydrogen Dispensed by Day of Week, CDP #83, 12/15/11: PowerPoint | JPG

Hydrogen Infrastructure Status

  • On-Site Hydrogen Production Efficiency, CDP #13, 3/9/10: PowerPoint | JPG
  • H2 Production Cost vs. Process, CDP #15, 1/19/10: PowerPoint | JPG
  • Cumulative Hydrogen Produced or Dispensed, CDP #26, 12/9/11: PowerPoint | JPG
  • Hydrogen Refueling Infrastructure Maintenance, CDP #30, 3/10/10: PowerPoint | JPG
  • Number of Learning Demo Refueling Stations, CDP #31, 12/9/11: PowerPoint | JPG
  • Methods of Producing Hydrogen from Learning Demo Refueling Stations, CDP #32, 12/9/11: PowerPoint | JPG
  • On-Site Hydrogen Production Efficiency vs. Capacity Utilization, CDP #60, 3/9/10: PowerPoint | JPG
  • Refueling Station Compressor Efficiency, CDP #61, 3/11/10: PowerPoint | JPG
  • Hydrogen Fueling Station Maintenance by System, CDP #63, 3/10/10: PowerPoint | JPG
  • Station Capacity Utilization—2010plus, CDP #91, 1/18/12: PowerPoint | JPG
  • Station Usage (fills per day)—2010plus, CDP #92, 1/18/12: PowerPoint | JPG
  • Hydrogen Equipment Footprint—2010plus, CDP #93, 1/18/12: PowerPoint | JPG
  • Infrastructure Maintenance by Category—2010plus, CDP #94, 1/18/12: PowerPoint | JPG
  • Infrastructure Maintenance by Quarter—2010plus, CDP #95, 1/18/12: PowerPoint | JPG
  • Infrastructure Maintenance Labor Hours—2010plus, CDP #96, 1/18/12: PowerPoint | JPG
  • Infrastructure Reliability Growth—2010plus, CDP #97, 1/18/12: PowerPoint | JPG
  • Infrastructure MTBF (based on Calendar Days of Operation)—2010plus, CDP #98, 1/18/12: PowerPoint | JPG
  • Infrastructure Mean Time between Scheduled Maintenance—2010plus, CDP #99, 1/18/12: PowerPoint | JPG

Hydrogen Fuel Constituents Measured at Stations

  • Hydrogen Quality Index Scatter Plot, CDP #27, 3/10/10: PowerPoint | JPG
  • Hydrogen Fuel Constituents, CDP #28, 3/10/10: PowerPoint | JPG
  • Ammonia in Hydrogen, CDP #28_Ammonia, 3/10/10: PowerPoint | JPG
  • Argon in Hydrogen, CDP #28_Argon, 3/10/10: PowerPoint | JPG
  • ArN2 in Hydrogen, CDP #28_ArN2, 3/10/10: PowerPoint | JPG
  • Total Impurities in Hydrogen, CDP #28_calcTotalImp, 3/10/10: PowerPoint | JPG
  • CO in Hydrogen, CDP #28_CO, 3/10/10: PowerPoint | JPG
  • CO2 in Hydrogen, CDP #28_CO2, 3/10/10: PowerPoint | JPG
  • Formaldehyde in Hydrogen, CDP #28_Formaldehyde, 3/10/10: PowerPoint | JPG
  • Formic Acid in Hydrogen, CDP #28_FormicAcid, 3/10/10: PowerPoint | JPG
  • Helium in Hydrogen, CDP #28_Helium, 3/10/10: PowerPoint | JPG
  • H20 in Hydrogen, CDP #28_H2O, 3/10/10: PowerPoint | JPG
  • Max Particulate Size in Hydrogen, CDP #28_MaxPartSize, 3/10/10: PowerPoint | JPG
  • Nitrogen in Hydrogen, CDP #28_Nitrogen, 3/10/10: PowerPoint | JPG
  • N2_He_Ar in Hydrogen, CDP #28_N2_He_Ar, 3/10/10: PowerPoint | JPG
  • Oxygen in Hydrogen, CDP #28_Oxygen, 3/10/10: PowerPoint | JPG
  • Particulate Concentration in Hydrogen, CDP #28_PartConc, 3/10/10: PowerPoint | JPG
  • Total Halogenates in Hydrogen, CDP #28_TotalHalogenates, 3/10/10: PowerPoint | JPG
  • Total HydroCarbons in Hydrogen, CDP #28_TotalHC, 3/10/10: PowerPoint | JPG
  • Total Sulfur in Hydrogen, CDP #28_TotalSulfur, 3/10/10: PowerPoint | JPG

Presentation Containing All Composite Data Products

Archived Presentations